1. Tardigrade
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  3. Chemistry
  4. In which one of the following pairs metals have same number of unpaired electrons?

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Q. In which one of the following pairs metals have same number of unpaired electrons?

The d-and f-Block Elements

Solution:

$Sc \to [Ar]3d^{1}\,4s^{2}$

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$Cu \to [Ar] 3d^{10}\,4s^{1}$

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